Bed frame



FIG. 1 is a perspective view of a bed frame in a first lower positionviewed obliquely from above;

FIG. 2 is a perspective view of the bed frame of FIG. 1 in a secondposition with the foot end thereof raised with respect to the firstposition; and,

FIG. 3 is a perspective view of the bed frame of FIG. 1 in a thirdposition with the foot end in the position of FIG. 1 and the head endraised to an almost upright position viewed obliquely from above, theopposite side being a mirror image thereof.

The ornamental design for a bed frame, as shown and described.